package com.lrkj.back.vo.json;

/*
 * Copyright (c) 2002 JSON.org
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * The Software shall be used for Good, not Evil.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.util.Enumeration;
import java.util.Map.Entry;
import java.util.Properties;

/**
 * Converts a Property file data into JSONObject and back.
 * 
 * @author JSON.org
 * @version 2015-05-05
 */
public class Property {
    /**
     * Converts a property file object into a JSONObject. The property file
     * object is a table of name value pairs.
     * 
     * @param properties
     *            java.util.Properties
     * @return JSONObject
     * @throws JSONException
     */
    public static JSONObject toJSONObject(Properties properties) throws JSONException {
        JSONObject jo = new JSONObject(properties == null ? 0 : properties.size());
        if (properties != null && !properties.isEmpty()) {
            Enumeration<?> enumProperties = properties.propertyNames();
            while (enumProperties.hasMoreElements()) {
                String name = (String) enumProperties.nextElement();
                jo.put(name, properties.getProperty(name));
            }
        }
        return jo;
    }

    /**
     * Converts the JSONObject into a property file object.
     * 
     * @param jo
     *            JSONObject
     * @return java.util.Properties
     * @throws JSONException
     */
    public static Properties toProperties(JSONObject jo) throws JSONException {
        Properties properties = new Properties();
        if (jo != null) {
            for (final Entry<String, ?> entry : jo.entrySet()) {
                Object value = entry.getValue();
                if (!JSONObject.NULL.equals(value)) {
                    properties.put(entry.getKey(), value.toString());
                }
            }
        }
        return properties;
    }
}
